The most critical question concerning whether mesostructured or planar heterojunction perovskite solar cells
will eventually dominate is what
the exciton or the electron and hole diffusion lengths are in these materials.

麻烦英文好的帅哥美女给拆解一下这个英文的句子，is what 这个地方直接把我弄糊涂了。

is what 这个地方是什么从句呀？麻烦讲解一下。

谢谢了！ 返回小木虫查看更多